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CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified | 9 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012
Cash flows from operating activities: |  |
Net loss | $ (5,835) | $ (17,195)
Adjustments to reconcile net loss to net cash provided by operating activities: |  |
Depreciation and amortization | 24,778 | 23,831
(Recovery of) provision for doubtful accounts | (890) | 880
Deferred income taxes | (111) | 0
Net gains on sales of assets | (4,388) | (1,161)
ESOP and share-based compensation expense | 2,639 | 2,519
Net loss on derivatives and investments | 9,315 | 5,131
Change in operating assets and liabilities: |  |
Short-term investments | (9,063) | 1,027
Accounts and notes receivable | (1,167) | 936
Inventories | (1,291) | 3,533
Income tax receivable | 622 | (377)
Prepaid expenses and other assets | 522 | 81
Accounts payable | 4,359 | (9,342)
Accrued payroll, expenses and other liabilities | (1,312) | 1,102
Accrued postretirement benefits | 836 | 1,130
Other long-term liabilities | (1,416) | (1,083)
Net cash provided by operating activities | 17,820 | 11,012
Cash flows from investing activities: |  |
Purchases of property, plant and equipment | (10,118) | (10,533)
Proceeds from sales of property, plant and equipment | 5,556 | 2,112
Net cash used in investing activities | (4,562) | (8,421)
Cash flows from financing activities: |  |
Proceeds from revolving credit facility | 22,550 | 13,700
Repayments on revolving credit facility | (32,771) | (17,700)
Payments of capital lease obligations | (2,613) | (1,209)
Proceeds from stock option exercises | 1,195 | 0
Net cash used in financing activities | (11,639) | (5,209)
Net increase (decrease) in cash and cash equivalents | 1,619 | (2,618)
Cash and cash equivalents at beginning of period | 3,906 | 6,081
Cash and cash equivalents at end of period | $ 5,525 | $ 3,463

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